This is a S'pht model I made in SolidWorks a few weeks ago. I'm planning on updating it and making some other models for a kind of diorama image, but it will be about five weeks before I get the time to do so.

This is pretty cool, but you are not there yet. You need to work more on the shoulders and the cap. Your shoulder part is way too flat. I think your best shot is to build them up with surfaces (instead of solids).